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Montano1993 [528]
3 years ago
11

5. An example of a muscle that is voluntarily controlled is a muscle that

Chemistry
1 answer:
Shtirlitz [24]3 years ago
6 0

Answer:

A, Makes the leg move

Explanation:

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KF + 02 <br><br> Balance the equation
Paladinen [302]

Explanation:

this equation is balanced

if you look at it carefully

k=1

f=1

o=2

we do not have any opposing element

5 0
2 years ago
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What types of objects are using electricity in your home today?
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Lamp, tv, refrigerator, Lights, phone, microwave,  surround sound, cameras, motion sensors, chandelier, pool, hot tub, heated floors, the smart home stuff,  aquarium stuff, and whatever the staff uses.

3 0
3 years ago
The combining of hydrogen and oxygen gas into liquid water is an example of what kind of change?
KatRina [158]
The combining of hydrogen and oxygen gas into liquid=H2O (water) is a compound or a molecule because it is 2 different elements combined with chemical bonds so its Chemical. B 
7 0
3 years ago
Teniendo en cuenta los siguientes fenómenos: ebullición del agua- movimiento de un cuerpo- disolución de sal en agua- combustión
miv72 [106K]

Answer:

Las siguientes son reacciones químicas;

combustión de leña

oxidación del hierro

descomposición del agua en hidrógeno y oxígeno

Explanation:

Una reacción química da como resultado la formación de una (s) sustancia (s) nueva (s), mientras que un cambio físico no conduce a la formación de una sustancia nueva.

Las siguientes son reacciones químicas;

combustión de leña: la combustión de madera implica la oxidación del carbono según la reacción; C (s) + O2 (g) -------> CO2 (g)

oxidación del hierro: La oxidación del hierro conduce a la formación de óxidos de hierro. Como; 2Fe (s) + O2 (g) ----> 2FeO (s)

descomposición del agua en hidrógeno y oxígeno: esta es una reacción química en la que el agua se descompone de la siguiente manera; 2H2O (l) -----> 2H2 (g) + O2 (g)

Todos estos procesos enumerados anteriormente conducen a la formación de nuevas sustancias, por lo tanto, son reacciones químicas.

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3 years ago
What is the potential energy of a rock with a mass of 10 kg while sitting on a cliff that is 15 m high
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